*{
	margin: 0;padding: 0;
}

html,body{
	height: 100%;
	width: 100%;
}

canvas{
	display: block;
}

#cv{
	background: #001022;
}

#btns{
	bottom: 20px;
	left: 20px;
	position: absolute;
}

#btns button{
	padding: 5px;
}